Italy became a satellite state of Germany by the end of the 1930s. 意大利在20世纪30年代末成了德国的附庸。
It became a Soviet satellite state following the war, but its government was comparatively tolerant and progressive. 战争之后它成为苏联的附属国,但它的政府是非常有忍耐力而进步的。
The ground station of satellite communication, a state key project, is also under construction. 国家重点项目,卫星地面接收站也在建设中。
And while historical antagonisms are easy to understand, the long-run strategic challenge for South Korea will be to avoid being turned into a satellite state of an ever more powerful China. 同时,尽管历史遗留的敌意不难理解,但韩国面临的长期战略挑战将是避免沦为日益强大的中国的一个卫星国。
Attitude Control for Momentum Biased Satellite Based on Nonlinear State Observer 基于非线性观测器的一种偏置动量卫星姿态控制方法
Whatever course it takes, Moscow is far from achieving its goal of turning Afghanistan into another compliant satellite state. 不管采取什么方针,莫斯科都不能达到把阿富汗变成顺从于它的卫星国的目的。
Satellite state ( country dependent on another more powerful country and controlled by it) 卫星国(依附于某大国并受其控制者)
The influence of LEO satellite's initial state errors on gravity field recovery 低轨卫星初始状态误差对反演地球重力场的影响
In theory the near infrared image obtained at satellite orbit altitude above sea represents sea state. 对海洋上空卫星测得的近红外波段辐射所反映的信息进行理论分析,表明卫星近红外波段图像上反映的是海况信息。
The cobalt? gives more intense shake up satellite in the high spin state, while cobalt? is diamagnetic and has no satellite peak, so we can determine valence of cobalt and realize its quantitative analysis. 高自旋二价钴给出较强的Shakeup伴峰,而三价钴是反磁性的,没有伴峰,由此可以确定钴的价态,并进行定量分析。
Firstly, the state equation of the free-floating space robot system is established with the joint angles and the satellite attitude as its state variables, and the joint angular velocities as its input variables. 首先,建立自由飘浮空间机器人系统的状态方程,其状态变量为关节角和卫星姿态角,输入变量为关节角速度。
Attitude Decoupling Control for Biased Flight Mode of Small Satellite in Zero-Momentum State 整星零动量小卫星偏置飞行姿态解耦控制
For the estimation of satellite state, the extended sequential estimation algorithm was applied. The numerical method was used to integrate state vector and error covariance matrix. 在卫星的状态估计过程中应用推广的序列估计算法,借助数值积分方法积分状态向量和协方差矩阵。
An information fusion method based on the combination of BP neural networks and D S evidence theory to recognize satellite and its companion decoy in the state of point target is proposed in the paper. 本文提出的点目标状态下卫星及其伴飞锈饵的识别方法是基于BP网络与D-S理论相结合的信息融合方法。
The superposition matrix was computed by setting coordinate of ground tracking net and satellite ground longitude according to the linear state transfer equation of GEO satellite. The main part of the evaluation equation for orbit determination accuracy was calculated by observation arc and sampling interval. 根据GEO卫星的线性化状态转移方程,通过设定地面跟踪网坐标和卫星星下点经度计算叠加矩阵,由观测弧长和采样间隔直接计算定轨精度评定公式中的主要部分。
A satellite S band solid state power amplifier with high reliability, high efficiency, small size and low weight is fabricated. A temperature compensated circuit is designed to keep the amplifier operating at high linearly with gain almost invariable over full temperature range. 星用固放在高可靠性、高效率、小体积、低重量的基础上,采用温补电路,使部件在全温范围内,功率增益基本保持不变,并维持良好的线性工作状态;
This method is simple and practical and it can be used to monitor and check satellite running state on orbit. 此方法也可稍做推广即可应用于卫星在轨运行状态监测和在轨故障检测等几个研究方面。
Based on relative motion equation of satellite state transferring, analytic solution of two impulse orbit transfer of constellation is derived, which is analytic equation of impulse control variable. 基于卫星相对运动状态转移方程,推导出了星座双脉冲式变轨的理论解,即所要施加的脉冲控制量的解析式;
Introduces the network configuration of the satellite video conference system for State Grid Corporation of China and analyzes the function of the satellite video conference system. 介绍了国家电网公司卫星会议电视系统的组网结构、功能实现原理和网管系统,以及该系统所用的国际标准。
A Method Based on the Combination of BP Networks and D S Theory to Recognize Satellite and its Companion Decoy in the State of Point Target 基于BP网络与D-S理论相结合的点目标状态下卫星及其伴飞诱饵的识别方法
An orbit modeling formula is proposed, through which one can interpolate the satellite state vector on the whole orbit arc with a high precision by means of ephemeris data. 为提高几何校正的精度,提出一种由几个离散点的值内插整个弧段上卫星状态向量的轨道模拟算法。
EMC Design in Satellite Solid State Power Amplifier 星用固放电磁兼容设计
In the paper, the varying model of atmosphere density with height is given by researches on method of autonomous navigation for satellite, actual state and basic change rule of atmosphere in calm fluxion layer, based on the experiment data of atmosphere density. 本文在研究卫星自主导航方法和大气折射原理及平流层大气的实际状态和基本变化规律的基础上,基于地球大气密度的实验数据,给出了平流层大气密度随高度变化的模型。
Multichannel Scan Imagery Radiometer is one of the primary loads in Fy-4 meteorology satellite. The working state of his scan mirror will affect the quality of the nephogram from FY-4 satellite. 多通道扫描成像辐射计是FY-4气象卫星上的主要载荷之一,其扫描镜的工作状况将直接影响到卫星所提供的气象云图。
We discuss the dynamical method for recovering the gravity field model based on the dynamical orbits and accelerometer data of CHAMP and derive the mathematical algorithm to solve the accelerometer scale and bias, the satellite's initial state vector and the model coefficients simultaneously. 讨论了基于CHAMP卫星动力学轨道数据以及加速度计数据推求地球重力场模型的动力学法,推导了将加速度计观测数据的尺度和偏差以及卫星初始状态向量与地球重力场位系数一起求解的数学模型。
A Satellite S Band Solid State Power Amplifier with High Stability and Variable Gain S波段高稳定可变增益星用固放
With the breakthrough development of space technology, digital television, microelectronics and code rate compressing, satellite television has reached a live broadcasting satellite state of digital KU frequency live broadcasting from the original C frequency relay broadcasting. 随着航天技术、数字电视技术、微电子技术、码率压缩技术的突破性进展,使卫星电视已由原来的C频段转播进入了数字Ku频段的直播卫星阶段。
Inner satellite is a proof mass, flying in the cavity of outer satellite. In nominal state, inner satellite is in the center of outer satellite. 内卫星是一个验证质量,飞行在外卫星的内腔中,标称状态下内卫星处于外卫星腔体中心。
We considered two kinds of circumstances caused to dynamic scheduling of the relay satellite: resource state change and new mission inset, and synthetically solved them as ones. 考虑了中继卫星调度过程中因卫星资源状态改变和新任务插入而导致动态调度的情况,并在中继卫星动态调度的求解中,将这两种情况综合为一种情况进行处理。
The On-Board Computer ( OBC) is the central unit of the satellite performing service management, state control, data processing, and other functions. 星载计算机是航天器上执行星务管理、状态控制、数据处理等功能的中枢。